Cissell, Robert. Mathematics of finance / [by] Robert Cissell and Helen Cissell. - 2d ed. - Boston : Houghton Mifflin, 1964. - xviii, 282, 95 p. : illus., diagrs., tables. ; 25 cm. Includes index Subjects--Topical Terms: Business mathematics. Dewey Class. No.: 511.8 / CIM 1964